Styrene terminated multifunctional oligomeric phenols as new the

Details Styrene terminated multifunctional oligomeric phenols as new the Styrene terminated multifunctional oligomeric phenols as new the

1989-06-21

1990-02-13

Henderson, Christopher

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

4284111, 522135, 5223285, 5223286, 5223289, C08F 800

Patent

active

049007947

ABSTRACT:
Thermosetting resins which are essentially vinylbenzyl end-capped ethers of the oligomeric condensation products of certain dihydric phenols and formaldehyde are readily polymerized to give an extensively cross-linked polymer particularly useful in printed circuit boards and similar laminates. Effective cost reduction may be enjoyed by replacing up to 50% of the vinylbenzyl moieties by other groups, such as alkyl and benzyl groups, without destroying the usefulness of the resulting thermosetting resins. The vinylbenzyl ether product from bisphenol-A is especially recommended.

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